353246780

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1\times {\mathrm{1103}}^1$

素因数の和:1418

約数の個数: 48

約数和(自身を含む): 756725760

約数和(自身を除く): 403478980

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 239, 268, 335, 478, 670, 956, 1103, 1195, 1340, 2206, 2390, 4412, 4780, 5515, 11030, 16013, 22060, 32026, 64052, 73901, 80065, 147802, 160130, 263617, 295604, 320260, 369505, 527234, 739010, 1054468, 1318085, 1478020, 2636170, 5272340, 17662339, 35324678, 70649356, 88311695, 176623390, 353246780]

約数ペア:

[(1, 353246780), (2, 176623390), (4, 88311695), (5, 70649356), (10, 35324678), (20, 17662339), (67, 5272340), (134, 2636170), (239, 1478020), (268, 1318085), (335, 1054468), (478, 739010), (670, 527234), (956, 369505), (1103, 320260), (1195, 295604), (1340, 263617), (2206, 160130), (2390, 147802), (4412, 80065), (4780, 73901), (5515, 64052), (11030, 32026), (16013, 22060)]